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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 4.3V SOT-23-3
- Series：AZ23-G
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：4.3 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：95 Ohms
- Current - Reverse Leakage @ Vr：-
- Operating Temperature：-55°C ~ 150°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23C4V3-G3-08 is a dual common anode silicon planar Zener diode array from the Vishay AZ23-G series, housed in a SOT-23 surface-mount package. It provides two independent Zener elements sharing a common anode terminal. The nominal Zener voltage is 4.3 V with a ±5% tolerance, tested at a current of 5 mA. Key electrical parameters include a maximum reverse leakage current of 3 μA and a dynamic resistance of 90 Ω at the test current. The device operates within a temperature range of -55 °C to +150 °C and dissipates up to 300 mW on an FR-4 board.
Feature Summary
- Dual common anode configuration for space-efficient circuit design
- Zener voltages graded according to the international E24 standard
- Lead-free (RoHS compliant) commercial grade construction
Applications
- Voltage reference circuits requiring dual stable potentials
- Overvoltage protection for sensitive input lines
- Clamping applications in signal conditioning paths
Procurement Notes
Verify the specific suffix 'G3-08' against official documentation to confirm the 3000-unit reel packaging format. Ensure that the 'C' designation in the part number corresponds to the required ±5% voltage tolerance for the target application. Cross-reference the manufacturer's latest datasheet revision to validate all electrical limits before finalizing procurement orders.
Selection Notes
Select this component when a dual Zener array with a common anode topology is required in a compact SOT-23 footprint. The 4.3 V nominal voltage suits applications needing precise low-voltage references or clamping levels. Consider the 90 Ω dynamic resistance and 3 μA leakage specifications to ensure they meet the noise and precision requirements of the specific circuit design.
Part Context
This part belongs to the AZ23-G series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers a wide range of Zener voltages from 2.2 V to 75 V in both ±5% ('C') and ±2% ('B') tolerances. All variants utilize the same SOT-23 package and share identical thermal and mechanical characteristics defined in the series datasheet.
Replacement Considerations
Direct replacements within the same family include AZ23B4V3-G3-08 for tighter ±2% tolerance or AZ23C4V3-G3-18 for 10,000-unit tape reels. Other manufacturers offering equivalent SOT-23 dual common anode Zener arrays should be evaluated based on matching voltage, power dissipation, and impedance specifications.
FAQ
What is the marking code for the AZ23C4V3-G3-08?
The marking code for this device is D46.
Does the AZ23C4V3-G3-08 have AEC-Q101 qualification?
No, the standard AZ23C4V3-G3-08 is not AEC-Q101 qualified; automotive-grade versions are available upon request.
What is the typical temperature coefficient for this voltage?
The temperature coefficient ranges from -6 to -1 x 10^-4 /°C at the test current.
